Performance evaluation of full-dimension MIMO in indoor line-of-sight environments

Author

Fukuda, Hayato ; Nishimura, Toshihiko ; Ogawa, Yasutaka ; Ohgane, Takeo

Author_Institution

Grad. Sch. of Inf. Sci. & Technol., Hokkaido Univ., Sapporo, Japan

fYear

2015

fDate

9-12 March 2015

Firstpage

159

Lastpage

164

Abstract

A massive multiple-input multiple-output (MIMO) system, which has a very large number of antenna elements at the base station (BS), is a promising technology for future high-speed, high-capacity communication systems. However, it faces a serious issue of limited installation space. To cope with this limitation, a full-dimension MIMO (FD-MIMO) system has been proposed. This system can save installation space as well as control the azimuth and elevation beamforming because the antenna elements are arranged in a two-dimensional (2D) array. In this paper, we evaluate the performance of FD-MIMO in indoor line-of-sight environments by comparing it with a linearly arranged array, that is, a one-dimensional (1D) array. The channel matrices for the evaluations are obtained by using a ray-tracing technique. The results reveal that the FD-MIMO system with a small rectangular 2D array outperforms a 1D array when users are located near the BS.

Keywords

MIMO communication; antenna arrays; indoor radio; performance evaluation; wireless channels; FD-MIMO system; antenna elements; base station; channel matrices; elevation beamforming; full-dimension MIMO; high-capacity communication systems; indoor line-of-sight environments; installation space; multiple-input multiple-output system; performance evaluation; ray-tracing technique; two-dimensional array; Antenna arrays; Arrays; Correlation; Interference; MIMO; Signal to noise ratio;

fLanguage

English

Publisher

ieee

Conference_Titel

Wireless Communications and Networking Conference (WCNC), 2015 IEEE

Conference_Location

New Orleans, LA

Type

conf

DOI

10.1109/WCNC.2015.7127462

Filename

7127462